Camera optical lens

ABSTRACT

The present disclosure relates to a technical field of optical lenses, and discloses a camera optical lens. The camera optical lens includes seven lenses. An order of the seven lenses is sequentially from an object side to an image side, which is shown as follows: a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a refractive power, a sixth lens having a positive refractive power, and a seventh lens having a negative refractive power. While the camera optical lens has good optical performance, the camera optical lens further meets design requirements of large aperture, wide-angle, and ultra-thinness.

TECHNICAL FIELD

The present disclosure relates to the field of optical lens, and inparticular to a camera optical lens suitable for handheld devices, suchas smart phones, digital cameras, and imaging devices, such as monitorsor PC lenses.

BACKGROUND

With emergence of smart phones in recent years, demand for miniaturecamera lens is increasing day by day, and because a pixel size of perphotosensitive device shrinks, in addition a development trend ofelectronic products with good functions, and thin and portable appears,therefore, a miniaturized camera optical lens having good imagingquality becomes a mainstream in current market. In order to obtainbetter imaging quality, multi-piece lens structure is mainly adopted.Moreover, with development of technology and increases of diversifiedneeds of users, a pixel area of per photosensitive device is constantlyshrinking, and requirements of optical systems for imaging quality areconstantly increasing. A seven-piece lens structure gradually appears inlens design. There is an urgent need for a wide-angled camera opticallens having excellent optical characteristics, a small size, and fullycorrected aberrations.

SUMMARY

Aiming at above problems, the present disclosure seeks to provide acamera optical lens, which has good optical performance and meets designrequirements of large aperture, ultra-thinness, and wide-angle.

In order to solve the above problems, embodiments of the presentdisclosure provide a camera optical lens. The camera optical lensincludes seven lenses. An order of the seven lenses is sequentially froman object side to an image side, which is shown as follows: a first lenshaving a negative refractive power, a second lens having a positiverefractive power, a third lens having a positive refractive power, afourth lens having a negative refractive power, a fifth lens having arefractive power, a sixth lens having a positive refractive power, and aseventh lens having a negative refractive power. A field of view of thecamera optical lens in a diagonal direction is denoted as FOV, arefractive index of the second lens is denoted as n2, an abbe number ofthe third lens is denoted as v3, an abbe number of the fourth lens isdenoted as v4, a center curvature radius of an object side surface ofthe sixth lens is denoted as R11, a center curvature radius of an imageside surface of the sixth lens is denoted as R12, and the camera opticallens satisfies following relationships:

155.00°≤FOV;

1.70≤n2≤220;

2.80≤v3/v4≤4.20;

−5.00≤R11/R12≤−1.20.

As an improvement, an on-axis thickness of the sixth lens is denoted asd11, an on-axis thickness of the seventh lens is denoted as d13, and thecamera optical lens satisfies a following relationship:

1.50≤d11/d13≤4.00.

As an improvement, an object side surface of the first lens is convex ina paraxial region, an image side surface of the first lens is concave ina paraxial region. A focal length of the camera optical lens is denotedas f, a focal length of the first lens is denoted as f1, a centercurvature radius of the object side surface of the first lens is denotedas R1, a center curvature radius of the image side surface of the firstlens is denoted as R2, an on-axis thickness of the first lens is denotedas d1, a total optical length of the camera optical lens is denoted asTTL, and the camera optical lens satisfies following relationships:

−4.47≤f1/f≤−1.15;

0.72≤(R1+R2)/(R1−R2)≤2.54;

0.02≤d1/TTL≤0.10.

As an improvement, the camera optical lens satisfies followingrelationships:

−2.79≤f1/f≤−1.43;

1.15≤(R1+R2)/(R1−R2)≤2.03;

0.02≤d1/TTL≤0.08.

As an improvement, an object side surface of the second lens is concavein a paraxial region, an image side surface of the second lens is convexin a paraxial region. A focal length of the camera optical lens isdenoted as f, a focal length of the second lens is denoted as f2, acenter curvature radius of the object side surface of the second lens isdenoted as R3, a center curvature radius of the image side surface ofthe second lens is denoted as R4, an on-axis thickness of the secondlens is denoted as d3, a total optical length of the camera optical lensis denoted as TTL, and the camera optical lens satisfies followingrelationships:

1.23≤f2/f≤6.05;

1.18≤(R3+R4)/(R3−R4)≤11.86;

0.07≤d3/TTL≤0.22.

As an improvement, the camera optical lens satisfies followingrelationships:

1.96≤f2/f≤4.84;

1.89≤(R3+R4)/(R3−R4)≤9.49;

0.10≤d3/TTL≤0.18.

As an improvement, an object side surface of the third lens is convex ina paraxial region an image side surface of the third lens is convex in aparaxial region. A focal length of the camera optical lens is denoted asf, a focal length of the third lens is denoted as f3, a center curvatureradius of the object side surface of the third lens is denoted as R5, acenter curvature radius of the image side surface of the third lens isdenoted as R6, an on-axis thickness of the third lens is denoted as d5,a total optical length of the camera optical lens is denoted as TTL, andthe camera optical lens satisfies following relationships:

0.62≤f3/f≤2.00;

−0.39≤(R5+R6)/(R5−R6)≤0.12;

0.02≤d5/TTL≤0.20.

As an improvement, the camera optical lens satisfies followingrelationships:

0.99≤f3/f≤1.60;

−0.25≤(R5+R6)/(R5−R6)≤0.10;

0.04≤d5/TTL≤0.16.

As an improvement, a focal length of the camera optical lens is denotedas f, a focal length of the fourth lens is denoted as f4, a centercurvature radius of an object side surface of the fourth lens is denotedas R7, a center curvature radius of an image side surface of the fourthlens is denoted as R8, an on-axis thickness of the fourth lens isdenoted as d7, a total optical length of the camera optical lens isdenoted as TTL, and the camera optical lens satisfies followingrelationships:

−7.30≤f4/f≤−1.15;

−2.13≤(R7+R8)/(R7−R8)≤4.89;

0.01≤d7/TTL≤0.05,

As an improvement, the camera optical lens satisfies followingrelationships:

−4.56f4/f≤−1.44;

−1.33≤(R7+R8)/(R7−R8)≤3.91;

0.02≤d7/TTL≤0.04.

As an improvement, an object side surface of the fifth lens is concavein a paraxial region. A focal length of the camera optical lens isdenoted as f, a focal length of the fifth lens is denoted as f5, acenter curvature radius of the object side surface of the fifth lens isdenoted as R9, a center curvature radius of an image side Surface of thefifth lens is denoted as R10, an on-axis thickness of the fifth lens isdenoted as d9, a total optical length of the camera optical lens isdenoted as TTL, and the camera optical lens satisfies followingrelationships:

−24.51≤f5/f≤20.96;

−7.05≤(R9+R10)/(R9−R10)≤14.14;

0.01≤d9/TTL≤0.05.

As an improvement, the camera optical lens satisfies followingrelationships:

−15.32≤f5/f≤16.77;

−4.41≤(R9+R10)/(R9−R10)≤11.31;

0.02≤TTL≤0.04.

As an improvement, the object side surface of the sixth lens is convexin a paraxial region, the image side surface of the sixth lens is convexin a paraxial region. A focal length of the camera optical lens isdenoted as f, a focal length of the sixth lens is denoted as f6, anon-axis thickness of the sixth lens is denoted as d11, a total opticallength of the camera optical lens is denoted as TTL, and the cameraoptical lens satisfies following relationships:

1.21≤f6/f≤4.63;

0.03≤d11/TTL≤0.22.

As an improvement, the camera optical lens satisfies followingrelationships:

1.94≤f6/f≤3.71;

0.06≤d11/TTL≤0.18.

As an improvement, an image side surface of the seventh lens is concavein a paraxial region. A focal length of the camera optical lens isdenoted as f, a focal length of the seventh lens is denoted as f7, acenter curvature radius of the object side surface of the seventh lensis denoted as R13, a center curvature radius of an image side surface ofthe seventh lens is denoted as R14, an on-axis thickness of the seventhlens is denoted as d13, a total optical length of the camera opticallens is denoted as TTL, and the camera optical lens satisfies followingrelationships:

−5.26≤f7/f≤−1.37;

−0.03≤(R13+R14)/(R13−R14)≤2.57;

0.02≤d13/TTL≤0.07.

As an improvement, the camera optical lens satisfies followingrelationships:

−3.28≤f7/f≤−1.71;

−0.02≤(R13+R14)/(R13−R14)≤2.06;

0.03≤d13/TTL≤0.06.

As an improvement, the first lens is made of a glass material, thesecond lens is made of a glass material, and the third lens is made of aglass material.

As an improvement, an F number of the camera optical lens is denoted asFNO, and the camera optical lens satisfies a following relationship:

FNO≤2.88.

As an improvement, a focal length of the camera optical lens is denotedas f, a combined focal length of the first lens and the second lens isdenoted as f12, and the camera optical lens satisfies a followingrelationship:

−5279.08≤f12/f≤54.02.

As an improvement, an image height of the camera optical lens is denotedas IH, a total optical length of the camera optical lens is denoted asTTL, and the camera optical lens satisfies a following relationship:

TTL/1H≤3.25

The beneficial effects of the present disclosure are as follows. Thecamera optical lens provided by the present disclosure has excellentoptical characteristics, and further has characteristics of largeaperture, wide-angle, and ultra-thin, especially suitable for mobilephone camera lens assemblies and WEB camera lenses, which are composedof camera components having high pixels, such as CCD and CMOS.

BRIEF DESCRIPTION OF DRAWINGS

To more clearly illustrate the technical solutions in the embodiments ofthe present disclosure clearer, accompanying drawings that need to beused in the description of the embodiments will briefly introduce infollowing. Obviously, the drawings described below are only someembodiments of the present disclosure. For A person of ordinary skill inthe art, other drawings can be obtained according to these withoutcreative labor, wherein:

FIG. 1 is a schematic diagram of a structure of a camera optical lensaccording to a first embodiment of the present disclosure.

FIG. 2 is a schematic diagram of a longitudinal aberration of the cameraoptical lens shown in FIG. 1.

FIG. 3 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 1.

FIG. 4 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 1.

FIG. 5 is a schematic diagram of a structure of a camera optical lensaccording to a second embodiment of the present disclosure.

FIG. 6 is a schematic diagram of a longitudinal aberration of the cameraoptical lens shown in FIG. 5.

FIG. 7 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 5.

FIG. 8 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 5.

FIG. 9 is a schematic diagram of a structure of a camera optical lensaccording to a third embodiment of the present disclosure.

FIG. 10 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 9.

FIG. 11 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 9.

FIG. 12 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 9.

FIG. 13 is a schematic diagram of a structure of a camera optical lensaccording to a fourth embodiment of the present disclosure.

FIG. 14 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 13.

FIG. 15 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 13.

FIG. 16 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 13.

FIG. 17 is a schematic diagram of a structure of a camera optical lensaccording to a fifth embodiment of the present disclosure.

FIG. 18 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 17.

FIG. 19 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 17.

FIG. 20 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 17.

DETAILED DESCRIPTION OF EMBODIMENTS

In order to make objects, technical solutions, and advantages of thepresent disclosure clearer, embodiments of the present disclosure aredescribed in detail with reference to accompanying drawings infollowing. A person of ordinary skill in the art can understand that, inthe embodiments of the present disclosure, many technical details areprovided to make readers better understand the present disclosure.However, even without these technical details and any changes andmodifications based on the following embodiments, technical solutionsrequired to be protected by the present disclosure can be implemented.

Embodiment 1

Referring to the drawings, the present disclosure provides a cameraoptical lens 10. FIG. 1 shows a structure of the camera optical lens 10of a first embodiment of the present disclosure. The camera optical lens10 includes seven lenses. Specifically, an order of the camera opticallens 10 is sequentially from an object side to an image side, which isshown as follows: a first lens L1, a second lens L2, an aperture S1, athird lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and aseventh lens L7. An optical element such as an optical filter GF may bedisposed between the seventh lens L7 and an image surface Si.

In the embodiment, the first lens L1 is made of a glass material, thesecond lens L2 is made of a glass material, the third lens L3 is made ofa glass material, the fourth lens L4 is made of a plastic material, thefifth lens L5 is made of a plastic material, the sixth lens 16 is madeof a plastic material, and the seventh lens L7 is made of a plasticmaterial. In other alternative embodiments, the lenses may be made ofother materials.

In the embodiment, a field of view of the camera optical lens 10 in adiagonal direction is denoted as FO, which satisfies a followingrelationship: 155.00°≤FOV, and further specifies a the field of view FOVof the camera optical lens in the diagonal direction. In a range of theconditional formula, it is beneficial to achieve an ultra-wide-angleeffect.

A refractive index of the second lens L2 is denoted as n2, whichsatisfies a following relationship: 1.70≤n2≤2.20, and further specifiesthe refractive index n2 of the second lens L2. In a range of theconditional formula, it is beneficial to improve optical performance.

An abbe number of the third lens L3 is denoted as v3, an abbe number ofthe fourth lens L4 is denoted as v4, which satisfies a followingrelationship: 2.80≤v3/v4≤4.20, and further specifies a ratio of the abbenumber v3 of the third lens L3 to the abbe number v4 of the fourth lensL4. In a range of the conditional formula, it is beneficial to improvethe optical performance.

A center curvature radius of an object side surface of the sixth lens L6is denoted as R11, a center curvature radius of an image side surface ofthe sixth lens L6 is denoted as R12, which satisfies a followingrelationship: −5.00≤R11/R12≤−1.20, and further specifies a shape of thesixth lens L6. In a range of the conditional formula, it may alleviatedeflection degree of light passing through the lenses and effectivelyreduce aberrations.

An on-axis thickness of the sixth lens L6 is denoted as d11, an on-axisthickness of the seventh lens L7 is denoted as d13, which satisfies afollowing relationship: 1.50≤d11/d13≤4.00, and further specifies a ratioof the on-axis thickness d11 of the sixth lens L6 to the on-axisthickness d13 of the seventh lens L7. In a range of the conditionalformula, it is beneficial to compress the total optical length andfurther achieve an ultra-thin effect.

In the embodiment, the first lens L1 has a negative refractive power, anobject side surface of the first lens L1 is convex in a paraxial region,and the image side surface of the first lens L1 is concave in a paraxialregion. In other alternative embodiments, both the object side surfaceand the image side surface of the first lens L1 may be replaced withother concave and convex distributions.

A focal length of the camera optical lens 10 is denoted as f, a focallength of the first lens L1 is denoted as f1, which satisfies afollowing relationship: −4.47≤f1/f≤−1.15, and further specifies a ratioof the focal length of the first lens L1 to the focal length of thecamera optical lens 10. In a range of the conditional formula, the firstlens L1 has a suitable negative refractive power, which is beneficial toreduce aberrations of an optical system and also beneficial forultra-thinness and wide-angle development. As an improvement, afollowing relationship is satisfied: −2.79≤f1/f≤−1.43.

A center curvature radius of the object side surface of the first lensL1 is denoted as R1, a center curvature radius of the image side surfaceof the first lens L1 is denoted as R2, which satisfies a followingrelationship: 0.72≤(R1+R2)/R1−R2)≤2.54. Thus, a shape of the first lensL1 is reasonably controlled to effectively correct spherical aberrationsof the camera optical lens 10. As an improvement, a followingrelationship is satisfied: 1.15≤(R1+R2)/(R1−R2)≤2.03.

A total optical length of the camera optical lens 10 is denoted as TTL,An on-axis thickness of the first lens L1 is denoted as d1, whichsatisfies a following relationship: 0.02≤d1/TTL≤0.10. In a range of theconditional formula, it is beneficial to achieve ultra-thinness. As animprovement, a following relationship is satisfied: 0.02≤d1/TTL≤0.08.

In the embodiment, the second lens L2 has a positive refractive power,an object side surface of the second lens L2 is concave in a paraxialregion, and an image side surface of the second lens L2 is convex in aparaxial region. In other alternative embodiments, both the object sidesurface and the image side surface of the second lens L2 may be replacedwith other concave and convex distributions.

The focal length of the camera optical lens 10 is denoted as f, a focallength of the second lens L2 is denoted as f2, which satisfies afollowing relationship: 1.23≤f2/f≤6.05. A positive focal power of thesecond lens L2 is controlled in a reasonable range, which is beneficialto correct the aberrations of the optical system. As an improvement, afollowing relationship is satisfied: 1.96≤f2/f≤4.84.

A center curvature radius of the object side surface of the second lensL2 is denoted as R3, a center curvature radius of the image side surfaceof the second lens L2 is R4, which satisfies a following relationship:1.18≤(R3+R4)/(R3−R4)≤11.86, and further specifies a shape of the secondlens L2. In a range of the conditional formula, with the development ofthe camera optical lens 10 toward to ultra-thinness and wide-angle, itis beneficial to correct a problem of axial chromatic aberrations. As animprovement, a following relationship is satisfied:1.89≤(R3+R4)/(R3−R4)≤9.49.

The total optical length of the camera optical lens 10 is denoted asTTL, an on-axis thickness of the second lens L2 is denoted as d3, whichsatisfies a following relationship: 0.07≤d3/TTL≤0.22. In a range of theconditional formula, it is beneficial to achieve ultra-thinness. As animprovement, a following relationship is satisfied: 0.10≤d3/TTL≤0.18.

In the embodiment, the third lens L3 has a positive refractive power, anobject side surface of the third lens L3 is convex in a paraxial region,and an image side surface of the third lens L3 is convex in a paraxialregion. In other alternative embodiments, both the object side surfaceand the image side surface of the third lens L3 may be replaced withother concave and convex distributions.

The focal length of the camera optical lens 10 is denoted as f, a focallength of the third lens L3 is denoted as f3, which satisfies afollowing relationship: 0.62≤f3/f≤2.00. Through a reasonabledistribution of focal power, the optical system has better imagingquality and lower sensitivity. As an improvement, a followingrelationship is satisfied: 0.99≤f3/f≤1.60.

A center curvature radius of the object side surface of the third lensL3 is denoted as R5, a center curvature radius of the image side surfaceof the third lens L3 is R6, which satisfies a following relationship:−0.39≤(R5+R6)/(R5−R6)≤0.12, and further specifies a shape of the thirdlens L3 and is beneficial to molding of the third lens L3. In a range ofthe conditional formula, it may alleviate deflection degree of lightpassing through the lenses and effectively reduce the aberrations. As animprovement, a following relationship is satisfied:−0.25≤(R5+R6)/(R5−R6)≤0.10.

The total optical length of the camera optical lens 10 is denoted asTTL, an on-axis thickness of the third lens L3 is denoted as d5, whichsatisfies a following relationship: 0.02≤d5/TTL≤0.20. In a range of theconditional formula, it is beneficial to achieve ultra-thinness. As animprovement, a following relationship is satisfied: 0.04≤d5/TTL≤0.16.

In the embodiment, the fourth lens L4 has a negative refractive power,an object side surface of the fourth lens L4 is convex in a paraxialregion, and an image side surface of the fourth lens L4 is concave in aparaxial region. In other alternative embodiments, both the object sidesurface and the image side surface of the fourth lens L4 may be replacedwith other concave and convex distributions.

The focal length of the camera optical lens 10 is denoted as f, a focallength of the fourth lens L4 is denoted as f4, which satisfies afollowing relationship: −7.30≤f4/f≤−1.15. Through a reasonabledistribution of the focal power, the optical system has better imagingquality and lower sensitivity. As an improvement, a followingrelationship is satisfied: −4.56≤f4/f≤−1.44.

A center curvature radius of the object side surface of the fourth lensL4 is denoted as R7, a center curvature radius of the image side surfaceof the fourth lens L4 is denoted as R8, which satisfies a followingrelationship: −2.13≤(R7+R8)/(R7−R8)≤4.89, and further specifies a shapeof the fourth lens L4. In a range of the conditional formula, with theultra-thin and wide-angle development, it is beneficial to correct theaberrations of off-axis angle of view and other problems. As animprovement, a following relationship is satisfied:−1.33≤(R7+R8)/(R7−R8)≤3.91.

The total optical length of the camera optical lens 10 is denoted asTTL, an on-axis thickness of the fourth lens L4 is denoted as d7, whichsatisfies a following relationship: 0.01≤d7/TTL≤0.05. In a range of theconditional formula, it is beneficial to achieve ultra-thinness. As animprovement, a following relationship is satisfied: 0.02≤d7/TTL≤0.04.

In the embodiment, the fifth lens L5 has a negative refractive power, anobject side surface of the fifth lens L5 is concave in a paraxialregion, an image side surface of the fifth lens L5 is convex in aparaxial region. In other alternative embodiments, both the object sidesurface and the image side surface of the fifth lens L5 may be replacedwith other concave and convex distributions.

The focal length of the camera optical lens 10 is denoted as f, thefocal length of the fifth lens L5 is denoted as f5, which satisfies afollowing relationship: −24.51≤f5/f≤20.96. A limitation of the fifthlens L5 may effectively make a light angle of the camera optical lens 10smooth and reduce tolerance sensitivity. As an improvement, a followingrelationship is satisfied: −15.32≤f5/f≤16.77.

A center curvature radius of the object side surface of the fifth lensL5 is denoted as R9, a center curvature radius of the image side surfaceof the fifth lens L5 is denoted as R10, which satisfies a followingrelationship: −7.05≤(R9+R10)/(R9−R10)≤14.14, and further specifies ashape of the fifth lens L5. In a range of the conditional formula, withthe ultra-thin and wide-angle development, it is beneficial to correctthe aberrations of off-axis angle of view and other problems. As animprovement, a following relationship is satisfied:−4.41≤(R9+R10)/(R9−R10)≤11.31.

The total optical length of the camera optical lens 10 is denoted asTTL, an on-axis thickness of the fifth lens L5 is denoted as d9, whichsatisfies a following relationship: 0.01≤d9/TTL≤0.05. In a range of theconditional formula, it is beneficial to achieve ultra-thinness. As animprovement, a following relationship is satisfied: 0.02≤d9/TTL≤0.04.

In the embodiment, the sixth lens L6 has a positive refractive power,the object side surface of the sixth lens L6 is convex in a paraxialregion, and the image side surface of the sixth lens L6 is convex in aparaxial region. In other alternative embodiments, both the object sidesurface and the image side surface of the sixth lens L6 may be replacedwith other concave and convex distributions.

The focal length of the camera optical lens 10 is denoted as f, thefocal length of the sixth lens L6 is denoted as f6, which satisfies afollowing relationship: 1.21≤f6/f≤4.63. Through a reasonabledistribution of the focal power, the camera optical lens 10 has betterimaging quality and lower sensitivity. As an improvement, a followingrelationship is satisfied: 1.94≤f6/f≤3.71.

The total optical length of the camera optical lens 10 is denoted asTTL, the on-axis thickness of the sixth lens L6 is denoted as d11, whichsatisfies a following relationship: 0.03≤d11/TTL≤0.22. In a range of theconditional formula, it is beneficial to achieve ultra-thinness. As animprovement, a following relationship is satisfied: 0.06≤d11/TTL≤0.18.

In the embodiment, the seventh lens L7 has a negative refractive power,an object side surface of the seventh lens L7 is convex in a paraxialregion, and an image side surface of the seventh lens L7 is concave in aparaxial region. In other alternative embodiments, both the object sidesurface and the image side surface of the seventh lens L7 may bereplaced with other concave and convex distributions.

The focal length of the camera optical lens 10 is denoted as f, a focallength of the seventh lens L7 is denoted as f7, which satisfies afollowing relationship: −5.26≤f7/f≤−1.37. Through a reasonabledistribution of the focal power, the optical system has better imagingquality and lower sensitivity. As an improvement, a followingrelationship is satisfied: −3.28≤f7/f≤−1.71.

A center curvature radius of the object side surface of the seventh lensL7 is denoted as R13, a center curvature radius of the image sidesurface of the seventh lens L7 is denoted as R14, which satisfies afollowing relationship: −0.03≤(R13+R14)/(R13−R14)≤2.57, and furtherspecifies a shape of the seventh lens L7. In a range of the conditionalformula, with the ultra-thin and the wide-angle development, it isbeneficial to correct the aberrations of off-axis angle of view andother problems. As an improvement, a following relationship issatisfied: −0.02≤(R13+R14)/(R13−R14)≤2.06.

The on-axis thickness of the seventh lens 17 is denoted as d13, thetotal optical length of the camera optical lens 10 is denoted as TTL,which satisfies a following relationship: 0.025≤d13/TTL≤0.07. In a rangeof the conditional formula, it is beneficial to achieve ultra-thinness.As an improvement, a following relationship is satisfied:0.03≤d13/TTL≤0.06.

In the embodiment, the focal length of the camera optical lens 10 isdenoted as f, a combined focal length of the first lens L1 and thesecond lens L2 is denoted as f12, which satisfies a followingrelationship: −5279.08≤f12/f≤f54.02. Thereby, the aberrations anddistortion of the camera optical lens 10 may be eliminated, a back focallength of the camera optical lens 10 may be suppressed, andminiaturization of the camera lens system group may be maintained. As animprovement, a following relationship is satisfied:−3299.43≤f12/f≤43.22.

In the embodiment, an F number of the camera optical lens 10 is denotedas FNO, which satisfies a following relationship: FNO≤2.88, therebyachieving a large aperture. As an improvement, a following relationshipis satisfied: FNO≤2.83.

In the embodiment, an image height of the camera optical lens 10 isdenoted as IH, the total optical length of the camera optical lens 10 isdenoted as TTL, which satisfies a following relationship: TTL/IH≤3.25,thereby being beneficial to achieve ultra-thinness. As an improvement, afollowing relationship is satisfied: TTL/IH≤3.10.

While satisfying above relationships, the camera optical lens 10 hasexcellent optical characteristics, and the camera optical lens 10further meets design requirements of large aperture, wide-angle, andultra-thinness. According to the characteristics of the camera opticallens 10, the camera optical lens 10 is especially suitable for mobilephone camera lens assemblies and WEB camera lenses, which are composedof camera components having high pixels, such as CCD and CMOS.

Following examples are used to illustrate the camera optical lens 10 ofthe present disclosure. Symbols described in each of the examples are asfollows. Units of focal length, on-axis distance, central curvatureradius, on-axis thickness, inflection point position, and arrest pointposition are millimeter (mm).

TTL denotes a total optical length (an on-axis distance from the objectside surface of the first lens L1 to the image surface Si), a unit ofwhich is mm.

FNO denotes an F number of the camera optical lens and refers to a ratioof an effective focal length of the camera optical lens 10 to anentrance pupil diameter of the camera optical lens 10.

As an improvement, inflection points and/or arrest points may bearranged on the object side surface and/or the image side surface of thelenses, thus meeting high-quality imaging requirements. For specificimplementable schemes, refer to the following.

Table 1 and table 2 show design data of the camera optical lens 10according to a first embodiment of the present disclosure.

TABLE 1 R d nd vd S1 ∞ d0= −6.527 R1 11.864 d1= 0.800 nd1 1.6779 v155.52 R2 2.770 d2= 2.612 R3 −5.749 d3= 1.620 nd2 2.1800 v2 33.00 R4−4.458 d4= 1.525 R5 2.865 d5= 0.693 nd3 1.5357 v3 85.82 R6 −4.113 d6=0.184 R7 19.457 d7= 0.360 nd4 1.6610 v4 20.53 R8 4.556 d8= 0.347 R9−8.735 d9= 0.350 nd5 1.6610 v5 20.53 R10 −15.653 d10= 0.133 R11 24.191d11= 1.830 nd6 1.5444 v6 55.82 R12 −4.887 d12= 0.500 R13 10.745 d13=0.460 nd7 1.6610 v7 20.53 R14 2.825 d14= 0.200 R15 ∞ d15= 0.210 ndg1.5168 vg 64.17 R16 ∞ d16= 0.544

Where meanings of various symbols are as follows.

S1: aperture;

R: a central curvature radius of an optical surface;

R1: a central curvature radius of the object side surface of the firstlens L1;

R2: a central curvature radius of the image side surface of the firstlens L1;

R3: a central curvature radius of the object side surface of the secondlens L2;

R4: a central curvature radius of the image side surface of the secondlens L2;

R5: a central curvature radius of the object side surface of the thirdlens L3;

R6: a central curvature radius of the image side surface of the thirdlens L3;

R7 a central curvature radius of the object side surface of the fourthlens L4;

R8: a central curvature radius of the image side surface of the fourthlens L4;

R9: a central curvature radius of the object side surface of the fifthlens L5;

R10: a central curvature radius of the image side surface of the fifthlens L5;

R11: a central curvature radius of the object side surface of the sixthlens L6;

R12: a central curvature radius of the image side surface of the sixthlens L6;

R13: a central curvature radius of the object side surface of theseventh lens L7;

R14: a central curvature radius of the image side surface of the seventhlens L7;

R15: a central curvature radius of the object side surface of theoptical filter GF;

R16: a central curvature radius of the image side surface of the opticalfilter GF;

d: an on-axis thickness of a lens, an on-axis distance between lenses;

d0: an on-axis distance from the aperture S1 to the object side surfaceof the first lens L1;

d1: an on-axis thickness of the first lens L1;

d2: an on-axis distance from the image side surface of the first lens L1to the object side surface of the second lens L2;

d3: an on-axis thickness of the second lens L2;

d4: an on-axis distance from the image side surface of the second lensL2 to the object side surface of the third lens L3;

d5: an on-axis thickness of the third lens L3;

d6: an on-axis distance from the image side surface of the third lens L3to the object side surface of the fourth lens L4;

d7: an on-axis thickness of the fourth lens L4;

d8: an on-axis distance from the image side surface of the fourth lensL4 to the object side surface of the fifth lens L5;

d9: an on-axis thickness of the fifth lens L5;

d10: an on-axis distance from the image side surface of the fifth lensL5 to the object side surface of the sixth lens L6;

d11: an on-axis thickness of the sixth lens L6;

d12: an on-axis distance from the image side surface of the sixth lensL6 to the object side surface of the seventh lens L7;

d13: an on-axis thickness of the seventh lens L7;

d14: an on-axis distance from the image side surface of the seventh lensL7 to the object side surface of the optical filter GF;

d15: an on-axis thickness of the optical filter GF;

d16: on-axis distance from the image side surface of the optical filterGF to the image surface Si;

nd: refractive index of a d line (the d line is green light having awavelength of 550 nm);

nd1: refractive index of a d line of the first lens L1;

nd2: refractive index of a d line of the second lens 12;

nd3: refractive index of a d line of the third lens L3;

nd4: refractive index of a d line of the fourth lens L4;

nd5: refractive index of a d line of the fifth lens L5;

nd6: refractive index of a d line of the sixth lens L6;

nd7: refractive index of a d line of the seventh lens L7;

ndg: refractive index of a d line of the optical filter GF;

vd: abbe number;

v1: abbe number of the first lens L1;

v2: abbe number of the second lens L2;

v3: abbe number of the third lens L3;

v4: abbe number of the fourth lens L4;

v5: abbe number of the fifth lens L5;

v6: abbe number of the sixth lens L6;

v7: abbe number of the seventh lens L7;

VG: abbe number of the optical filter GF.

Table 2 shows aspheric surface data of each of the lenses in the cameraoptical lens 10 according to the first embodiment of the presentdisclosure.

TABLE 2 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 R2 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 R3 −1.6081E+01  −1.1705E−02 9.5212E−04 2.4760E−04−2.9925E−04  1.3727E−04 R4 −6.4926E+00  −4.5585E−03 −4.9969E−04 5.8470E−04 −3.0448E−04  9.8379E−05 R5 1.2641E+00  1.8272E−02−1.2094E−02  1.4832E−02 −1.3823E−02  8.5351E−04 R6 2.0211E+00 7.8013E−02 −9.3693E−02  8.6760E−02 −3.9478E−02 −5.5784E−03 R79.0000E+01  2.7065E−02 −9.0892E−02  7.2353E−02  1.3981E−02 −4.6181E−02R8 −3.0351E+00  −2.0722E−02 −2.8754E−02  4.2497E−02 −6.0865E−03−2.3848E−03 R9 4.2579E+01  1.3497E−02 1.1888E−02 2.7003E−02 −5.6155E−02 4.3959E−02 R10 6.6879E+01  1.3469E−02 5.0809E−02 3.0233E−03 −4.7820E−02 3.7884E−02 R11 4.3916E+01 −2.8462E−02 5.6888E−02 −4.1005E−02  1.5551E−02 −3.3414E−03 R12 −4.5591E+00  −3.2137E−02 2.6309E−02−7.0168E−03   1.0626E−03 −1.1148E−04 R13 8.9434E+00 −1.6272E−018.0853E−02 −2.3476E−02   4.4676E−03 −5.6673E−04 R14 −1.7497E+01 −6.2812E−02 2.4942E−02 −6.1841E−03   1.0154E−03 −1.1235E−04 Coniccoefficient Aspheric surface coefficients k A14 A16 A18 A20 R10.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R2 0.0000E+000.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R3 −1.6081E+01 −3.8703E−05   6.6758E−06 −6.3489E−07  2.5409E−08 R4 −6.4926E+00 −2.0629E−05   2.7439E−06 −2.0971E−07  6.9884E−09 R5 1.2641E+001.5605E−03 −2.7332E−04 0.0000E+00 0.0000E+00 R6 2.0211E+00 6.9812E−03−1.1229E−03 0.0000E+00 0.0000E+00 R7 9.0000E+01 2.0215E−02 −9.2281E−04−1.2753E−03  2.2739E−04 R8 −3.0351E+00  2.5760E−04  6.7348E−051.9419E−05 −5.4964E−06  R9 4.2579E+01 −1.8683E−02   4.5067E−03−5.8182E−04  3.1318E−05 R10 6.6879E+01 −1.4794E−02   3.2398E−03−3.7913E−04  1.8404E−05 R11 4.3916E+01 4.0352E−04 −2.5520E−05 6.4540E−071.2849E−09 R12 −4.5591E+00  9.2168E−06 −5.8171E−07 2.2150E−08−3.4693E−10  R13 8.9434E+00 4.7214E−05 −2.4632E−06 7.2171E−08−8.9321E−10  R14 −1.7497E+01  8.1603E−06 −3.6520E−07 9.0007E−09−9.2811E−11 

For convenience, an aspheric surface of each lens surface uses anaspheric surface shown in a formula (1) below. However, the presentdisclosure is not limited to the a spherical polynomials form shown inthe formula (1).

z=(cr ²)/{1+[1−(k+1)(c ² r ²)]^(1/2) }+A4r ⁴ +A6r ⁶ +A8r ⁸ +A10r ¹⁰+A12r ¹² +A14r ¹⁴ +A16r ¹⁶ +A18 r ¹⁸ +A20r ²⁰  (1)

Herein, k denotes a conic coefficient, A4, A6, A8, A10, A12, A14, A16,A18, and A20 denote aspheric surface coefficients, c denotes a curvatureof a center region of the optical surface, r denotes a, verticaldistance from points on an aspheric surface curve to an optical axis, zdenotes a depth of the aspheric surface (a point on the asphericsurf-ace and a distance of which from the optical axis is r; a verticaldistance between the point and a tangent to a vertex on the optical axisof the a spherical surface).

Table 3 and Table 4 show design data of inflexion points and arrestpoints of each of the lenses of the camera optical lens 10 according tothe first embodiment of the present disclosure. P1R1 and P1R2respectively denote the object side surface and the image side surfaceof the first lens L1, P2R1 and P2R2 respectively denote the object sidesurface and the image side surface of the second lens L2, P3R1 and P3R2respectively denote the object side surface and the image side surfaceof the third lens L3, P4R1 and P4R2 respectively denote the object sidesurface and the image side surface of the fourth lens L4, P5R1 and P5R2respectively denote the object side surface and the image side surfaceof the fifth lens L5, P6R1 and P6R2 respectively denote the object sidesurface and the image side surface of the sixth lens L6, and P7R1 andP7R2 respectively denote the object side surface and the image sidesurface of the seventh lens L7. The data in the column named “inflexionpoint position” refer to vertical distances from inflexion pointsarranged on each lens surface to an optic axis of the camera opticallens 10. The data in the column named “arrest point position” refer tovertical distances from arrest points arranged on each lens surface tothe optical axis of the camera optical lens 10.

TABLE 3 Number(s)of Inflexion Inflexion Inflexion inflexion pointposition point position point position points 1 2 3 P1R1 0 / / / P1R2 0/ / / P2R1 0 / / / P2R2 0 / / / P3R1 0 / / / P3R2 0 / / / P4R1 3 0.6250.775 1.065 P4R2 0 / / / P5R1 2 0.765 0.855 / P5R2 2 0.415 1.335 / P6R11 1.765 / / P6R2 2 1.095 2.345 / P7R1 2 0.235 1.525 / P7R2 2 0.555 2.925/

TABLE 4 Number(s) of Arrest point Arrest point arrest points position 1position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0/ / P4R1 0 / / P4R2 0 / / P5R1 0 / / P5R2 1 0.645 / P6R1 0 / / P6R2 21.945 2.655 P7R1 2 0.405 2.715 P7R2 1 1.285 /

FIG. 2 and FIG. 3 illustrate a longitudinal aberration and a lateralcolor of lights having wavelengths of 656 nm, 588 nm, 546 nm, 486 nm,and 436 nm after passing the camera optical lens 10 according to thefirst embodiment of the present disclosure, respectively. FIG. 4illustrates a field curvature and a distortion of the light having thewavelength of 546 nm after passing the camera optical lens 10 accordingto the first embodiment of the present disclosure. A field curvature Sin FIG. 4 is a field curvature in a sagittal direction, and T is a fieldcurvature in a meridian direction.

The following table 21 further shows values corresponding to variousparameters specified in conditional formulas in each of embodiments 1,2, 3, 4, and 5.

As shown in table 21, various conditional formulas are satisfied in thefirst embodiment.

In the embodiment, an entrance pupil diameter is denoted as ENPD and theENPD of the camera optical lens 10 is 0.879 mm. An image height isdenoted as IH and the IH is 4.000 mm. Afield of view is denoted as FOVand the FOV in a diagonal is 158.00 degree. The camera optical lens 10meets the design requirements of large aperture, wide-angle, andultra-thinness, on-axis and off-axis chromatic aberrations of which arefully corrected, and the camera optical lens 10 has excellent opticalcharacteristics.

Embodiment 2

FIG. 5 shows a structure of the camera optical lens 20 according to thesecond embodiment of the present disclosure. The second embodiment isbasically the same as the first embodiment, and the meaning of thesymbols is the same as that according to the first embodiment, Onlydifferences are listed below.

Table 5 and table 6 show design data, of the camera optical lens 20according to the second embodiment of the present disclosure.

TABLE 5 R d nd vd S1 ∞ d0= −6.814 R1 13.064 d1= 0.800 nd1 1.7780 v144.52 R2 2.761 d2= 2.691 R3 −8.688 d3= 1.620 nd2 2.0300 v2 33.00 R4−4.497 d4= 1.558 R5 2.920 d5= 0.552 nd3 1.5357 v3 76.58 R6 −4.033 d6=0.067 R7 4.176 d7= 0.360 nd4 1.6610 v4 20.53 R8 2.216 d8= 0.794 R9−5.815 d9= 0.350 nd5 1.6610 v5 20.53 R10 −14.583 d10= 0.053 R11 15.090d11= 1.454 nd6 1.5444 v6 55.82 R12 −4.024 d12= 0.500 R13 34.135 d13=0.460 nd7 1.6610 v7 20.53 R14 3.282 d14= 0.200 R15 ∞ d15= 0.210 ndg1.5168 vg 64.17 R16 ∞ d16= 0.525

Table 6 shows aspheric surface data of each of the lenses in the cameraoptical lens 20 according to the second embodiment of the presentdisclosure.

TABLE 6 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R2  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R3 −1.4368E+01 −8.7674E−03 4.9395E−05 −1.1070E−04 1.2595E−04−6.8522E−05 R4 −5.4743E+00 −5.6076E−03 −1.1468E−04   2.8458E−04−1.4172E−04   4.1304E−05 R5  2.3313E+00  1.5058E−02 −2.6072E−03  2.1296E−03 −9.4009E−03   1.5241E−02 R6 −3.9626E+00  1.4232E−024.1264E−02 −1.0353E−01 1.1903E−01 −7.2640E−02 R7 −6.8695E+00 −5.0293E−028.4119E−02 −1.6019E−01 1.8984E−01 −1.3717E−01 R8 −2.2679E+00 −3.9735E−026.9424E−02 −7.4965E−02 7.1093E−02 −4.6650E−02 R9  1.2831E+01  3.5965E−02−6.3593E−03   2.5532E−02 −3.9870E−02   2.8337E−02 R10  2.8151E+01 1.3750E−02 2.2617E−02 −1.3812E−03 −1.7365E−02   1.3763E−02 R11 8.0647E+00 −2.8673E−02 3.9246E−02 −2.4305E−02 8.3689E−03 −1.6782E−03R12 −6.0178E+00 −2.5359E−02 1.7452E−02 −3.4896E−03 3.2504E−04−1.7708E−05 R13  5.9972E+01 −1.3252E−01 6.7549E−02 −2.0566E−024.1000E−03 −5.3224E−04 R14 −2.0838E+01 −6.3002E−02 2.6626E−02−7.2925E−03 1.3201E−03 −1.5980E−04 Conic coefficient Aspheric surfacecoefficients k A14 A16 A18 A20 R1  0.0000E+00 0.0000E+00  0.0000E+000.0000E+00 0.0000E+00 R2  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+000.0000E+00 R3 −1.4368E+01 1.9972E−05 −3.3169E−06 2.9463E−07 −1.0613E−08 R4 −5.4743E+00 −7.5662E−06   8.7881E−07 −6.0835E−08  2.0491E−09 R5 2.3313E+00 −1.1454E−02   2.6601E−03 0.0000E+00 0.0000E+00 R6−3.9626E+00 2.0498E−02 −2.1539E−03 0.0000E+00 0.0000E+00 R7 −6.8695E+005.3935E−02 −9.1848E−03 −1.2168E−04  1.5920E−04 R8 −2.2679E+00 2.1545E−02−6.4422E−03 1.0712E−03 −7.3743E−05  R9  1.2831E+01 −1.0927E−02  2.3395E−03 −2.6195E−04  1.1992E−05 R10  2.8151E+01 −5.0813E−03  1.0162E−03 −1.0583E−04  4.4891E−06 R11  8.0647E+00 1.8810E−04−9.6470E−06 3.4236E−09 1.2832E−08 R12 −6.0178E+00 1.3153E−06 −1.2942E−076.5168E−09 −1.1535E−10  R13  5.9972E+01 4.4225E−05 −2.2589E−066.4354E−08 −7.8033E−10  R14 −2.0838E+01 1.2703E−05 −6.2767E−071.7272E−08 −2.0069E−10 

Table 7 and Table 8 show design data of inflexion points and arrestpoints of each of the lenses of the camera optical lens 20 according tothe second embodiment of the present disclosure,

TABLE 7 Number(s) of Inflexion point Inflexion point inflexion pointsposition 1 position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0/ / P3R2 0 / / P4R1 1 0.765 / P4R2 0 / / P5R1 0 / / P5R2 2 0.495 1.475P6R1 0 / / P6R2 2 1.165 2.315 P7R1 2 0.145 1.685 P7R2 2 0.545 2.875

TABLE 8 Number(s) of Arrest point Arrest point arrest points position 1position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0/ / P4R1 0 / / P4R2 0 / / P5R1 0 / / P5R2 1 0.795 / P6R1 0 / / P6R2 22.235 2.385 P7R1 2 0.245 2.835 P7R2 1 1.195 /

FIG. 6 and FIG. 7 illustrate a longitudinal aberration and a lateralcolor of the lights having the wavelengths of 656 nm, 588 nm, 546 nm,486 nm, and 436 nm after passing the camera optical lens 20 according tothe second embodiment of the present disclosure, respectively. FIG. 8illustrates a field curvature and a distortion of the light having thewavelength of 546 nm after passing the camera optical lens 20 accordingto the second embodiment of the present disclosure. A field curvature Sin FIG. 8 is a field curvature in a sagittal direction, and T is a fieldcurvature in a meridian direction.

As shown in table 21, the second embodiment satisfies variousconditional formulas.

In the embodiment, an entrance pupil diameter is denoted as ENPD and theENPD of the camera optical lens 20 is 0.933 mm. An image height, isdenoted as IH and the IH is 4.000 mm. A field of view is denoted as FOVand the FOV in a diagonal is 157.00 degree. The camera optical lens 20meets the design requirements of large aperture, wide-angle, andultra-thinness, the on-axis and off-axis chromatic aberrations of whichare fully corrected, and the camera optical lens 20 has excellentoptical characteristics.

Embodiment 3

FIG. 9 shows a structure of the camera optical lens 30 according to thethird embodiment of the present disclosure. The third embodiment isbasically the same as the first embodiment, and the meaning of thesymbols is the same as that according to the first embodiment. Onlydifferences are listed below.

In the third embodiment, the object side surface of the seventh lens L7is concave in a paraxial region.

Table 9 and table 10 show design data of the camera optical lens 30according to the third embodiment of the present disclosure.

TABLE 9 R d nd vd S1 ∞ d0= −6.711 R1 10.759 d1= 0.800 nd1 1.9180 v144.52 R2 2.763 d2= 2.702 R3 −8.849 d3= 1.620 nd2 1.8800 v2 33.00 R4−4.109 d4= 1.417 R5 2.777 d5= 0.583 nd3 1.5357 v3 67.34 R6 −4.026 d6=0.050 R7 7.325 d7= 0.360 nd4 1.6610 v4 20.53 R8 2.654 d8= 0.843 R9−11.024 d9= 0.350 nd5 1.6610 v5 20.53 R10 −25.190 d10= 0.212 R11 12.097d11= 1.076 nd6 1.5444 v6 55.82 R12 −4.744 d12= 0.500 R13 −285.833 d13=0.460 nd7 1.6610 v7 20.53 R14 3.428 d14= 0.200 R15 ∞ d15= 0.210 ndg1.5168 vg 64.17 R16 ∞ d16= 0.729

Table 10 shows aspheric surface data of each of the lenses in the cameraoptical lens 30 according to the third embodiment of the presentdisclosure.

TABLE 10 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R2  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R3 −1.5373E+01 −9.3638E−03 5.7432E−04 −4.1768E−04 2.9956E−04−1.4402E−04 R4 −5.2277E+00 −5.6276E−03 4.9366E−06  2.1970E−04−1.4555E−04   5.1585E−05 R5  2.0281E+00  1.6984E−02 −3.9833E−03  2.8943E−03 −1.5484E−02   2.3169E−02 R6 −4.1453E+00  1.9940E−022.5278E−02 −8.4754E−02 1.0821E−01 −6.9483E−02 R7  4.7575E+00 −5.4567E−027.5315E−02 −1.3488E−01 1.6947E−01 −1.2226E−01 R8 −1.1638E+00 −4.8497E−027.0197E−02 −6.2138E−02 6.0018E−02 −3.8149E−02 R9  4.6541E+01  1.5448E−033.2623E−02 −2.3949E−02 1.0415E−02 −5.4986E−03 R10  9.0000E+01−2.4674E−02 4.7672E−02 −1.2062E−02 −8.0909E−03   6.8868E−03 R11−8.8785E+01 −4.4066E−02 2.5763E−02 −5.2347E−03 −8.5405E−04   7.6265E−04R12 −3.3219E+00 −3.0310E−02 8.6252E−03 −2.5050E−03 1.4266E−03−4.2094E−04 R13  9.0000E+01 −1.3352E−01 5.1307E−02 −1.3628E−022.8790E−03 −4.1594E−04 R14 −1.9184E+01 −7.0559E−02 2.7538E−02−7.7084E−03 1.5448E−03 −2.1474E−04 Conic coefficient Aspheric surfacecoefficients k A14 A16 A18 A20 R1  0.0000E+00 0.0000E+00  0.0000E+000.0000E+00 0.0000E+00 R2  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+000.0000E+00 R3 −1.5373E+01 4.1442E−05 −7.0701E−06 6.5981E−07 −2.5554E−08 R4 −5.2277E+00 −1.1148E−05   1.4988E−06 −1.1712E−07  4.2707E−09 R5 2.0281E+00 −1.5112E−02   3.2250E−03 0.0000E+00 0.0000E+00 R6−4.1453E+00 2.0084E−02 −2.1389E−03 0.0000E+00 0.0000E+00 R7  4.7575E+004.4483E−02 −5.7015E−03 −7.5565E−04  2.0379E−04 R8 −1.1638E+00 1.7037E−02−5.1603E−03 8.9319E−04 −6.4224E−05  R9  4.6541E+01 2.8945E−03−9.7362E−04 1.6775E−04 −1.1288E−05  R10  9.0000E+01 −2.3212E−03  4.1880E−04 −3.9477E−05  1.5216E−06 R11 −8.8785E+01 −1.9792E−04  2.6599E−05 −1.8558E−06  5.2884E−08 R12 −3.3219E+00 6.1143E−05−4.6789E−06 1.8167E−07 −2.8216E−09  R13  9.0000E+01 3.6585E−05−1.8351E−06 4.7183E−08 −4.6176E−10  R14 −1.9184E+01 1.9963E−05−1.1712E−06 3.8701E−08 −5.4337E−10 

Table 11 and Table 12 show design data of inflexion points and arrestpoints of each of the lenses of the camera optical lens 30 according tothe third embodiment of the present disclosure.

TABLE 11 Number(s) of Inflexion Inflexion Inflexion inflexion pointpoint point points position 1 position 2 position 3 P1R1 0 / / / P1R2 0/ / / P2R1 0 / / / P2R2 0 / / / P3R1 0 / / / P3R2 0 / / / P4R1 1 0.755 // P4R2 0 / / / P5R1 2 0.705 1.035 / P5R2 2 0.615 1.515 / P6R1 3 0.4251.055 2.025 P6R2 2 1.525 2.055 / P7R1 2 1.695 2.375 / P7R2 1 0.575 / /

TABLE 12 Number(s) of Arrest point Arrest point arrest points position 1position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0/ / P4R1 0 / / P4R2 0 / / P5R1 0 / / P5R2 1 0.895 / P6R1 2 1.005 1.105P6R2 0 / / P7R1 0 / / P7R2 1 1.065 /

FIG. 10 and FIG. 11 illustrate a longitudinal aberration and a lateralcolor of the lights having the wavelengths of 656 nm, 588 nm, 546 nm,486 nm, and 436 nm after passing the camera optical lens 30 according tothe third embodiment of the present disclosure, respectively. FIG. 12illustrates a field curvature and a distortion of the light having thewavelength of 546 nm after passing the camera optical lens 30 accordingto the third embodiment of the present disclosure. A field curvature Sin FIG. 12 is a field curvature in a sagittal direction, and T is afield curvature in a meridian direction.

The following table 21 lists numerical values corresponding to eachconditional formula in the embodiment according to the above-mentionedconditional formulas. Obviously, the camera optical lens 30 of theembodiment satisfies the above-mentioned conditional formulas.

In the embodiment, an entrance pupil diameter is denoted as ENPD and theENPD of the camera optical lens 30 is 0.933 mm. An image height isdenoted as IH and the IH is 4.000 mm. A field of view is denoted as FOVand the FOV in the diagonal is 157.00 degree. The camera optical lens 30meets the design requirements of the large aperture, wide-angle, andultra-thinness, the on-axis and off-axis chromatic aberrations of whichare fully corrected, and the camera optical lens 30 has excellentoptical characteristics.

Embodiment 4

FIG. 13 shows a structure of the camera optical lens 40 according to thefourth embodiment of the present disclosure. The fourth embodiment isbasically the same as the first embodiment, and the meaning of thesymbols is the same as that according to the first embodiment. Onlydifferences are listed below.

In the embodiment, the image side surface of the fifth lens L5 isconcave in a paraxial region.

Table 13 and table 14 show design data of the camera optical lens 40according to the fourth embodiment of the present disclosure.

TABLE 13 R d nd vd S1 ∞ d0= −6.880 R1 11.974 d1= 0.800 nd1 1.9180 v144.52 R2 2.868 d2= 2.871 R3 −9.585 d3= 1.620 nd2 1.7200 v2 33.00 R4−3.878 d4= 1.443 R5 2.652 d5= 0.644 nd3 1.5357 v3 57.89 R6 −3.955 d6=0.050 R7 16.420 d7= 0.360 nd4 1.6610 v4 20.53 R8 3.214 d8= 0.878 R9−11.646 d9= 0.350 nd5 1.6610 v5 20.53 R10 779.502 d10= 0.089 R11 8.189d11= 0.867 nd6 1.5444 v6 55.82 R12 −6.552 d12= 0.687 R13 14.403 d13=0.570 nd7 1.6610 v7 20.53 R14 3.082 d14= 0.200 R15 ∞ d15= 0.210 ndg1.5168 vg 64.17 R16 ∞ d16= 0.760

Table 14 shows aspheric surface data. Of each of the lenses in thecamera optical lens 40 according to the fourth embodiment of the presentdisclosure.

TABLE 14 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R2  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+00 0.0000E+00 R3 −2.9622E+01 −8.9988E−03 5.5040E−04 −4.0349E−04 3.0408E−04−1.4509E−04 R4 −5.4685E+00 −5.0176E−03 −6.2672E−04   6.8762E−04−3.9007E−04   1.4035E−04 R5  1.8977E+00  1.7202E−02 −5.2564E−03  4.4939E−03 −1.6339E−02   2.1719E−02 R6 −4.3159E+00  1.2978E−023.7018E−02 −9.8993E−02 1.1944E−01 −7.4066E−02 R7  2.1464E+01 −6.0978E−028.7736E−02 −1.4072E−01 1.6527E−01 −1.0903E−01 R8  4.7100E−01 −5.4161E−026.2055E−02 −2.9615E−02 1.3205E−02 −1.1081E−04 R9  4.9809E+01  1.4409E−02−1.3723E−03   5.5993E−03 −1.5146E−03  −4.3264E−03 R10 −9.0000E+01−3.3865E−02 5.1193E−02 −1.5691E−02 −5.0318E−03   5.5741E−03 R11−1.7963E+01 −7.8374E−02 7.6884E−02 −3.6742E−02 1.0268E−02 −1.6601E−03R12  7.1888E−01 −4.5569E−02 2.7490E−02 −8.8865E−03 2.3535E−03−4.5051E−04 R13 −5.6498E+01 −1.3204E−01 3.2179E−02  5.1382E−03−7.2476E−03   2.6496E−03 R14 −5.7278E+00 −9.3194E−02 3.7636E−02−1.0819E−02 2.1524E−03 −2.9627E−04 Conic coefficient Aspheric surfacecoefficients k A14 A16 A18 A20 R1  0.0000E+00 0.0000E+00  0.0000E+000.0000E+00 0.0000E+00 R2  0.0000E+00 0.0000E+00  0.0000E+00 0.0000E+000.0000E+00 R3 −2.9622E+01 4.0859E−05 −6.8080E−06 6.2147E−07 −2.3564E−08 R4 −5.4685E+00 −3.3213E−05   5.0728E−06 −4.5433E−07  1.8332E−08 R5 1.8977E+00 −1.3393E−02   2.7735E−03 0.0000E+00 0.0000E+00 R6−4.3159E+00 2.0973E−02 −2.2037E−03 0.0000E+00 0.0000E+00 R7  2.1464E+013.3463E−02 −1.5368E−03 −1.5001E−03  2.5502E−04 R8  4.7100E−01 1.7420E−04−1.1262E−03 4.0481E−04 −4.0909E−05  R9  4.9809E+01 4.0364E−03−1.5618E−03 2.8469E−04 −1.9924E−05  R10 −9.0000E+01 −2.0233E−03  3.8241E−04 −3.7255E−05  1.4709E−06 R11 −1.7963E+01 1.3241E−04−8.2644E−07 −5.8870E−07  2.7914E−08 R12  7.1888E−01 5.3542E−05−3.6867E−06 1.3414E−07 −1.9891E−09  R13 −5.6498E+01 −4.9366E−04  4.9922E−05 −2.6005E−06  5.4689E−08 R14 −5.7278E+00 2.7794E−05−1.6837E−06 5.8381E−08 −8.6755E−10 

Table 15 and Table 16 show design data of inflexion points and arrestpoints of each of the lenses of the camera optical lens 40 according tothe fourth embodiment of the present disclosure.

TABLE 15 Number(s) of Inflexion Inflexion Inflexion inflexion pointpoint point points position 1 position 2 position 3 P1R1 0 / / / P1R2 0/ / / P2R1 0 / / / P2R2 0 / / / P3R1 0 / / / P3R2 0 / / / P4R1 1 0.355 // P4R2 0 / / / P5R1 2 0.815 1.015 / P5R2 3 0.065 0.575 1.525 P6R1 20.465 0.705 / P6R2 2 1.355 2.125 / P7R1 3 0.215 1.835 2.155 P7R2 1 0.575/ /

TABLE 16 Number(s) of Arrest point Arrest point arrest points position 1position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0/ / P4R1 1 0.715 / P4R2 0 / / P5R1 0 / / P5R2 2 0.095 0.765 P6R1 0 / /P6R2 0 / / P7R1 1 0.365 / P7R2 1 1.175 /

FIG. 14 and FIG. 15 illustrate a longitudinal aberration and a lateralcolor of the lights having the wavelengths of 656 nm, 588 nm, 546 nm,486 nm, and 436 nm after passing the camera optical lens 40 according tothe fourth embodiment of the present disclosure, respectively. FIG. 16illustrates a field curvature and a distortion of the light having thewavelength of 546 nm after passing the camera optical lens 40 accordingto the fourth embodiment of the present disclosure. A field curvature Sin FIG. 16 is a field curvature in a sagittal direction, and T is afield curvature in a meridian direction.

The following table 21 lists numerical values corresponding to eachconditional formula in the embodiment according to the above-mentionedconditional formulas. Obviously, the camera optical lens 40 of theembodiment satisfies the above-mentioned conditional formulas.

In the embodiment, an entrance pupil diameter is denoted as ENPD and theENPD of the camera optical lens 40 is 0.933 mm. An image height isdenoted as IH and the IH is 4.000 mm. A field of view is denoted as FOVand the FOV in the diagonal is 157.00 degree. The camera optical lens 40meets the design requirements of the large aperture, wide-angle, andultra-thinness, the on-axis and off-axis chromatic aberrations of whichare fully corrected, and the camera optical lens 40 has excellentoptical characteristics.

Embodiment 5

FIG. 17 shows a structure of the camera optical lens 50 according to thefourth embodiment of the present disclosure. The fifth embodiment isbasically the same as the first, embodiment, and the meaning of thesymbols is the same as that according to the first embodiment. Onlydifferences are listed below.

In the embodiment, the fifth lens L5 has a positive refractive power,the object side surface of the fourth lens L4 is concave in a paraxialregion, the image side surface of the fourth lens L4 is convex in aparaxial region, and the object side surface of the seventh lens L7 isconcave in a paraxial region.

Table 17 and table 18 show design data of the camera optical lens 50according to the fifth embodiment of the present disclosure.

TABLE 17 R d nd vd S1 ∞ d0= −5.073 R1 13.253 d1= 0.330 nd1 1.6779 v155.52 R2 2.395 d2= 2.274 R3 −5.165 d3- 1.620 nd2 1.7504 v2 44.94 R4−2.767 d4= 0.718 R5 3.599 d5= 1.481 nd3 1.5357 v3 74.64 R6 −3.047 d6=0.492 R7 −2.783 d7= 0.360 nd4 1.6610 v4 20.53 R8 −89.905 d8= 0.511 R9−6.197 d9= 0.350 nd5 1.6610 v5 20.53 R10 −5.008 d10= 0.050 R11 12.709d11= 0.824 nd6 1.5444 v6 55.82 R12 −5.920 d12= 0.500 R13 −8.758 d13=0.460 nd7 1.6610 v7 20.53 R14 8.983 d14= 0.200 R15 ∞ d15= 0.210 ndg1.5168 vg 64.17 R16 ∞ d16= 0.542

Table 18 shows aspheric surface data of each of the lenses in the cameraoptical lens 50 according to the fifth embodiment of the presentdisclosure.

TABLE 18 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 R1  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00  0.0000E+000.0000E+00 R2  0.0000E+00  0.0000E+00 0.0000E+00  0.0000E+00  0.0000E+000.0000E+00 R3 −6.5886E+00 −1.5654E−02 2.0411E−03 −4.8902E−05 −3.8816E−06−1.1093E−06  R4 −5.9157E+00 −1.1723E−02 2.8465E−03 −4.1238E−04 4.6875E−05 −1.5920E−06  R5  4.4832E+00  2.5132E−02 −3.9562E−03 −4.4155E−02  7.7365E−02 −7.5519E−02  R6 −5.1215E−01 −1.3145E−02−8.6197E−03  −5.0372E−03  4.0245E−03 −3.0007E−03  R7 −2.0411E+00−8.2499E−02 4.8154E−03 −9.1537E−03  1.3909E−02 −1.3237E−02  R8 7.6328E+01 −2.6761E−02 1.0709E−02  9.0965E−03 −5.1015E−03 1.4998E−03 R9−4.2876E+01  1.9206E−03 9.6155E−04  1.4325E−03 −1.0813E−03 2.7940E−04R10 −1.8949E+01  1.3970E−03 5.0164E−03 −1.1363E−03 −3.4777E−061.7705E−05 R11  1.4912E+01 −4.4703E−03 2.7728E−03 −1.0759E−03 2.0595E−04 −2.0971E−05  R12 −1.2618E+01  1.2401E−02 −2.1848E−04  2.3816E−04 −1.5223E−04 2.6010E−05 R13  2.8567E+00  2.4324E−03−9.4698E−04   5.2660E−04 −1.0841E−04 1.0231E−05 R14 −2.6307E+01−8.5118E−03 −1.1948E−04   2.7761E−04 −5.1637E−05 4.1188E−06 Coniccoefficient Aspheric surface coefficients k A14 A16 A18 A20 R1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 R2  0.0000E+000.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 R3 −6.5886E+00 1.1296E−07−4.6470E−09  0.0000E+00 0.0000E+00 R4 −5.9157E+00 1.9252E−07−9.2716E−09  0.0000E+00 0.0000E+00 R5  4.4832E+00 3.5460E−02−6.6458E−03  0.0000E+00 0.0000E+00 R6 −5.1215E−01 7.2869E−04−6.9914E−05  0.0000E+00 0.0000E+00 R7 −2.0411E+00 4.9508E−03−6.9073E−04  0.0000E+00 0.0000E+00 R8  7.6328E+01 −2.5036E−04 1.6838E−05 0.0000E+00 0.0000E+00 R9 −4.2876E+01 −4.0971E−05  2.2681E−060.0000E+00 0.0000E+00 R10 −1.8949E+01 −2.6846E−06  1.1520E−07 0.0000E+000.0000E+00 R11  1.4912E+01 1.0551E−06 −2.0834E−08  0.0000E+00 0.0000E+00R12 −1.2618E+01 −1.8958E−06  5.0132E−08 0.0000E+00 0.0000E+00 R13 2.8567E+00 −4.9331E−07  9.0534E−09 0.0000E+00 0.0000E+00 R14−2.6307E+01 −1.5736E−07  2.3008E−09 0.0000E+00 0.0000E+00

Table 19 and Table 20 show design data of inflexion points and arrestpoints of each of the lenses of the camera optical lens 50 according tothe fifth embodiment of the present disclosure.

TABLE 19 Number(s) of Inflexion point Inflexion point inflexion pointsposition 1 position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0/ / P3R2 0 / / P4R1 0 / / P4R2 1 0.825 / P5R1 2 0.955 1.405 P5R2 2 0.9651.655 P6R1 1 2.505 / P6R2 2 0.905 2.145 P7R1 0 / / P7R2 1 0.905 /

TABLE 20 Number(s) of Arrest point Arrest point arrest points position 1position 2 P1R1 0 / / P1R2 0 / / P2R1 0 / / P2R2 0 / / P3R1 0 / / P3R2 0/ / P4R1 0 / / P4R2 1 1.065 / P5R1 0 / / P5R2 0 / / P6R1 0 / / P6R2 21.695 2.485 P7R1 0 / / P7R2 1 1.735 /

FIG. 18 and FIG. 19 illustrate a longitudinal aberration and a lateralcolor of the lights having the wavelengths of 656 nm, 588 nm, 546 nm,486 nm, and 436 nm after passing the camera optical lens 50 according tothe fourth embodiment of the present disclosure, respectively. FIG. 20illustrates a field curvature and a distortion of the light having thewavelength of 546 nm after passing the camera optical lens 50 accordingto the fifth embodiment of the present disclosure. A field curvature Sin FIG. 20 is a field curvature in a sagittal direction, and T is afield curvature in a meridian direction.

The following table 21 lists numerical values corresponding to eachconditional formula in the embodiment according to the above-mentionedconditional formulas. Obviously, the camera optical lens 50 of theembodiment satisfies the above-mentioned conditional formulas.

In the embodiment, an entrance pupil diameter is denoted as ENPD and theENPD of the camera optical lens 50 is 0.946 mm. An image height isdenoted as IH and the IH is 4.000 mm. A field of view is denoted as FOVand the FOV in the diagonal is 159.00 degree. The camera optical lens 50meets the design requirements of the large aperture, wide-angle, andultra-thinness, the on-axis and off-axis chromatic aberrations of whichare fully corrected, and the camera optical lens 50 has excellentoptical characteristics.

TABLE 21 Parameters and Embodiment Embodiment Embodiment EmbodimentEmbodiment conditions 1 2 3 4 5 FOV 158.00° 157.00° 157.00° 157.00°159.00° n2 2.18 2.03 1.88 1.72 1.75 v3/v4 4.18 3.73 3.28 2.82 3.64R11/R12 −4.95 −3.75 −2.55 −1.25 −2.15 f 2.462 2.462 2.462 2.462 2.498 f1−5.504 −4.633 −4.231 −4.267 −4.347 f2 9.935 7.509 7.457 8.024 6.123 f33.257 3.242 3.151 3.056 3.329 f4 −8.985 −7.622 −6.423 −6.043 −4.303 f5−30.170 −14.700 −29.613 −17.160 34.903 f6 7.606 5.971 6.377 6.799 7.504f7 −5.868 −5.463 −5.063 −5.986 −6.564 f12 −6498.548 32.554 44.667 88.66713.335 FNO 2.80 2.64 2.64 2.64 2.64 TTL 12.368 12.194 12.112 12.39910.922 IH 4.000 4.000 4.000 4.000 4.000

It can be understood by one having ordinary skill in the art that theabove-mentioned embodiments are specific embodiments of the presentdisclosure. In practical applications, various modifications can be madeto these embodiments in forms and details without departing from thespirit and scope of the present disclosure.

What is claimed is:
 1. A camera optical lens, comprising: seven lenses,being sequentially from an object side to an image side, comprising: afirst lens having a negative refractive power; a second lens having apositive refractive power; a third lens having a positive refractivepower; a fourth lens having a negative refractive power; a fifth lenshaving a refractive power; a sixth lens having a positive refractivepower; and a seventh lens having a negative refractive power; wherein, afield of view of the camera optical lens in a diagonal direction isdenoted as FOV, a refractive index of the second lens is denoted as n2,an abbe number of the third lens is denoted as v3, an abbe number of thefourth lens is denoted as v4, a center curvature radius of an objectside surface of the sixth lens is denoted as R11, a center curvatureradius of an image side surface of the sixth lens is denoted as R12, andthe camera optical lens satisfies following relationships:155.00°≤FOV;1.70≤n2≤2.20;2.80≤v3/v4≤4.20;−5.00≤R11/R12≤−1.20.
 2. The camera optical lens according to claim 1,wherein an on-axis thickness of the sixth lens is denoted as d11, anon-axis thickness of the seventh lens is denoted as d13, and the cameraoptical lens satisfies a following relationship:1.50≤d11/d13≤4.00.
 3. The camera optical lens according to claim 1,wherein an object side surface of the first lens is convex in a paraxialregion, an image side surface of the first lens is concave in a paraxialregion; a focal length of the camera optical lens is denoted as f, afocal length of the first lens is denoted as f1, a center curvatureradius of the object side surface of the first lens is denoted as R1, acenter curvature radius of the image side surface of the first lens isdenoted as R2, an on-axis thickness of the first lens is denoted as d1,a total optical length of the camera optical lens is denoted as TTL, andthe camera optical lens satisfies following relationships:−4.47≤f1/f≤−1.15;0.72≤(R1+R2)/(R1−R2)≤2.54;0.02≤d1/TTL≤0.10.
 4. The camera optical lens according to claim 3,wherein the camera optical lens satisfies following relationships:−2.79≤f1/f≤−1.43;1.15≤(R1+R2)/(R1−R2)≤2.03;0.02≤d1/TTL≤0.08.
 5. The camera optical lens according to claim 1,wherein an object side surface of the second lens is concave in aparaxial region, an image side surface of the second lens is convex in aparaxial region; a focal length of the camera optical lens is denoted asf, a focal length of the second lens is denoted as f2, a centercurvature radius of the object side surface of the second lens isdenoted as R3, a center curvature radius of the image side surface ofthe second lens is denoted as R4, an on-axis thickness of the secondlens is denoted as d3, a total optical length of the camera optical lensis denoted as TTL, and the camera optical lens satisfies followingrelationships:1.23≤f2/f≤6.05;1.18≤(R3+R4)/(R3−R4)≤11.86;0.07≤d3/TTL≤0.22.
 6. The camera optical lens according to claim 5,wherein the camera optical lens satisfies following relationships:1.965f2/f≤4.84;1.89≤(R3+R4)/(R3−R4)≤9.49;0.10≤d3/TTL≤0.18.
 7. The camera optical lens according to claim 1,wherein an object side surface of the third lens is convex in a paraxialregion, an image side surface of the third lens is convex in a paraxialregion; a focal length of the camera optical lens is denoted as f, afocal length of the third lens is denoted as f3, a center curvatureradius of the object side surface of the third lens is denoted as R5, acenter curvature radius of the image side surface of the third lens isdenoted as R6, an on-axis thickness of the third lens is denoted as d5,a total optical length of the camera optical lens is denoted as TTL, andthe camera optical lens satisfies following relationships:0.62≤f3/f≤2.00;−0.39≤(R5+R6)/(R5−R6)≤0.12;0.02≤d5/TTL≤0.20.
 8. The camera optical lens according to claim 7,wherein the camera optical lens satisfies following relationships:0.99≤f3/f≤1.60;−0.25≤(R5+R6)/(R5−R6)≤0.10;0.04≤d5/TTL≤0.16.
 9. The camera optical lens according to claim 1,wherein a focal length of the camera optical lens is denoted as f, afocal length of the fourth lens is denoted as f4, a center curvatureradius of an object side surface of the fourth lens is denoted as R7, acenter curvature radius of an image side surface of the fourth lens isdenoted as R8, an on-axis thickness of the fourth lens is denoted as d7,a total optical length of the camera optical lens is denoted as TTL, andthe camera optical lens satisfies following relationships:−7.30≤f4/f≤−1.15;−2.13≤(R7+R8)/(R7−R8)≤4.89;0.01≤d7/TTL≤0.05
 10. The camera optical lens according to claim 9,wherein the camera optical lens satisfies following relationships:−4.56≤f4/f≤−1.44;−1.33≤(R7+R8)/(R7−R8)≤3.91;0.02≤d7/TTL≤0.04.
 11. The camera optical lens according to claim 1,wherein an object side surface of the fifth lens is concave in aparaxial region; a focal length of the camera optical lens is denoted asf, a focal length of the fifth lens is denoted as f5, a center curvatureradius of the object side surface of the fifth lens is denoted as R9, acenter curvature radius of an image side surface of the fifth lens isdenoted as R10, an on-axis thickness of the fifth lens is denoted as d9,a total optical length of the camera optical lens is denoted as TTL, andthe camera optical lens satisfies following relationships:−24.51≤f5/f≤20.96;−7.05≤(R9+R10)/(R9−R10)≤14.14;0.01≤4d9/TTL≤0.05.
 12. The camera optical lens according to claim 11,wherein the camera optical lens satisfies following relationships:−15.32≤f5/f≤16.77;−4.41≤(R9+R10)/(R9−R10)≤11.31:0.02≤d9/TTL≤0.04.
 13. The camera optical lens according to claim 1,wherein the object side surface of the sixth lens is convex in aparaxial region, the image side surface of the sixth lens is convex in aparaxial region; a focal length of the camera optical lens is denoted asf, a focal length of the sixth lens is denoted as f6, an on-axisthickness of the sixth lens is denoted as d11, a total optical length ofthe camera optical lens is denoted as TTL, and the camera optical lenssatisfies following relationships:1.21≤f6/f≤4.63;0.03≤d11/TTL≤0.22.
 14. The camera optical lens according to claim 13,wherein the camera optical lens satisfies following relationships:1.94≤f6/f≤3.71;0.06≤d11/TTL≤0.18.
 15. The camera optical lens according to claim 1, animage side surface of the seventh lens is concave in a paraxial region;a focal length of the camera optical lens is denoted as f, a focallength of the seventh lens is denoted as f7, a center curvature radiusof the object side surface of the seventh lens is denoted as R13, acenter curvature radius of an image side surface of the seventh lens isdenoted as R14, an on-axis thickness of the seventh lens is denoted asd13, a total optical length of the camera optical lens is denoted asTTL, and the camera optical lens satisfies following relationships:−5.26≤f7/f≤−1.37;−0.03≤(R13+R14)/(R13−R14)≤2.57;0.02≤d13/TTL≤0.07.
 16. The camera optical lens according to claim 15,wherein the camera optical lens satisfies following relationships:−3.28≤f7/f≤−1.71;−0.02≤(R13+R14)/(R13−R14)≤2.06;0.03≤d13/TTL≤0.06.
 17. The camera optical lens according to claim 1,wherein the first lens is made of a glass material, the second lens ismade of a glass material, and the third lens is made of a glassmaterial.
 18. The camera optical lens according to claim 1, wherein an Fnumber of the camera optical lens is denoted as FNO, and the cameraoptical lens satisfies a following relationship:FNO≤2.88.
 19. The camera optical lens according to claim 1, wherein afocal length of the camera optical lens is denoted as f, a combinedfocal length of the first lens and the second lens is denoted as f12,and satisfies a following relationship:−5279.08≤f12/f≤54.02.
 20. The camera optical lens according to claim,wherein an image height of the camera optical lens is denoted as IH, atotal optical length of the camera optical lens is denoted as TTL, andthe camera optical lens satisfies a following relationship:TTL/1H≤3.25.